Please Answer

2018 Information about the income of ABC Inc. is as follows: 2017 Sales dollars $ 75,000 $ 90,000 Sales (units) 5,000 ,000 Expenses 36,000 40,800 Net income $ 39,000 $ 49,200 a) Use the high-low method to estimate variable and fixed costs for 2018. b) Using your estimates, what is the break-even point in units? c) If sales increase in 2019 by 500 units, to a total of 6,500 units, what should net income be